const path = require('path');
const webpack = require('webpack');
const GitRevisionPlugin = require('git-revision-webpack-plugin');
const GitRevision = new GitRevisionPlugin();
const buildDate = JSON.stringify(new Date().toLocaleString());
const createThemeColorReplacerPlugin = require('./config/plugin.config');
// const url = 'http://localhost:9999';
// const url = process.env.VUE_APP_API_BASE_URL;
function resolve(dir) {
  return path.join(__dirname, dir);
}

// check Git
function getGitHash() {
  try {
    return GitRevision.version();
  } catch (e) {}
  return 'unknown';
}

const isProd = process.env.NODE_ENV === 'production';

const assetsCDN = {
  // webpack build externals
  externals: {
    vue: 'Vue',
    'vue-router': 'VueRouter',
    vuex: 'Vuex',
    axios: 'axios'
  },
  css: [],
  // https://unpkg.com/browse/vue@2.6.10/
  js: [
    '//cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.min.js',
    '//cdn.jsdelivr.net/npm/vue-router@3.1.3/dist/vue-router.min.js',
    '//cdn.jsdelivr.net/npm/vuex@3.1.1/dist/vuex.min.js',
    '//cdn.jsdelivr.net/npm/axios@0.19.0/dist/axios.min.js'
  ]
};

// vue.config.js
const vueConfig = {
  configureWebpack: {
    // webpack plugins
    plugins: [
      // Ignore all locale files of moment.js
      new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
      new webpack.DefinePlugin({
        APP_VERSION: `"${require('./package.json').version}"`,
        GIT_HASH: JSON.stringify(getGitHash()),
        BUILD_DATE: buildDate
      })
    ],
    // if prod, add externals
    externals: isProd ? assetsCDN.externals : {}
  },
  configureWebpack: (config) => {
    if (process.env.NODE_ENV === 'production') { // 为生产环境修改配置...
      config.mode = 'production';
      config["performance"] = { //打包文件大小配置
        "maxEntrypointSize": 10000000,
        "maxAssetSize": 30000000
      }
    }
  },


  chainWebpack: config => {
    config.resolve.alias.set('@$', resolve('src'));

    const svgRule = config.module.rule('svg');
    svgRule.uses.clear();
    svgRule
      .oneOf('inline')
      .resourceQuery(/inline/)
      .use('vue-svg-icon-loader')
      .loader('vue-svg-icon-loader')
      .end()
      .end()
      .oneOf('external')
      .use('file-loader')
      .loader('file-loader')
      .options({
        name: 'assets/[name].[hash:8].[ext]'
      });

    // if prod is on
    // assets require on cdn
    if (isProd) {
      config.plugin('html').tap(args => {
        args[0].cdn = assetsCDN;
        return args;
      });
    }
  },

  css: {
    loaderOptions: {
      less: {
        modifyVars: {
          // less vars，customize ant design theme

          // 'primary-color': '#F5222D',
          // 'link-color': '#F5222D',
          'layout-header-height': '48px',
          'menu-collapsed-width': '48px',
          'border-radius-base': '2px'
        },
        // DO NOT REMOVE THIS LINE
        javascriptEnabled: true
      }
    }
  },

  devServer: {
    // development server port 8000
    // port: 8001,
    // If you want to turn on the proxy, please remove the mockjs /src/main.jsL11
    // proxy: {
    // '/login': {
    //   target: url,
    //   changeOrigin: true,
    //   pathRewrite: {
    //     '^/login': ''
    //   }
    // },
    // '/api': {
    //   target: url,
    //   ws: true,
    //   changeOrigin: true
    // },
    // '/swagger-ui.html': {
    //   target: url,
    //   ws: true,
    //   changeOrigin: true,
    //   autoRewrite: true
    // },
    // '/webjars': {
    //   target: url,
    //   ws: true,
    //   changeOrigin: true,
    //   autoRewrite: true
    // },
    // '/v2/api-docs': {
    //   target: url,
    //   ws: true,
    //   changeOrigin: true,
    //   autoRewrite: true
    // },
    // '/swagger-resources': {
    //   target: url,
    //   ws: true,
    //   changeOrigin: true,
    //   autoRewrite: true
    // }
    // }
  },

  // disable source map in production
  productionSourceMap: false,
  lintOnSave: undefined,
  // babel-loader no-ignore node_modules/*
  transpileDependencies: []
};

// preview.pro.loacg.com only do not use in your production;
if (process.env.VUE_APP_PREVIEW === 'true') {
  console.log('VUE_APP_PREVIEW', true);
  // add `ThemeColorReplacer` plugin to webpack plugins
  // vueConfig.configureWebpack.plugins.push(createThemeColorReplacerPlugin());
}

module.exports = vueConfig;